Definition: to begin to exist or to make something begin to exist Level: B2
我们正在了解更多关于恒星是如何形成的。
We are learning more about how stars are ___formed.
一个解决方案开始在她脑海中形成。
A solution began to ___form in her mind.
你的生活方式是由你的价值观和习惯形成的。
Your lifestyle is ___formed by your values and habits.
